The crystalline lend of people at old age become milkey and cloudy called
Answers
Answer:
The milky eye or cloudy vision in elderly people is mostly because ... lens is replaced in a 30 minutes procedure called cataract surgery with ... Why do people close dead people's eyes
Explanation:
(i) Sometimes, the crystalline lens of people at old age becomes milky and cloudy. This condition is called a cataract. This causes partial or complete loss of vision. It is possible to restore vision through a cataract sursery. (ii) Focal length for lens for distance vision =-1/1= -1 m Focal length for a lens for near vision = + 1/2 = +0.5 m (iii)The focal length of the eye lens, cannot be decreased below a certain minimum limit.If we try to read a printed page by, holding it very.close to our, eyes we may see the image being blurred or feel the strain in the eye. To see an object comfortably and distinctly we must hold it at about 25 cm from the eyes.